ECET Preparing

ECET  PREPARATION

ECET Maths tricks

Maths is a scoring subject in ECET exam. Maths consumes a lot of time to solve the problems. In the ECET exam maths having 50 questions are there.4-5 questions are coming from matrices chapter.

Here some of the tricks to solve matrices fastly:

1 PROBLEM:

What is the number of all possible matrices with each entry as 0 or 1 if the order of matrices is 3*3=?
 Sol:

2.PROBLEM:

Find  Det of the given matrix?
Sol:
Multiply the numbers in drawn boxes then add the right side three answers and subtract the left side answers.

3. PROBLEM:
Find  Det of the given matrix?
Sol:

 4.PROBLEM:
 Find the x value in the given matrix?
Sol:

Application of definite integrals previous questions :https://drive.google.com/open?id=1mQlONsiDqJJTkHsLtInw24RvYHyspL5e 
Definite integrals :https://drive.google.com/open?id=12JQ1LWMD-lGf1xTLF4Mcnx0b6nhm_W8X